room is to be painted. the dimension of the room is 30mx20x10. Determine the cost of painting the room if the paint cost $0.25 per square meter

A huge suspended LED screen is the centerpiece of The Place, a popular mall in Beijing, China. Find the length and width of a similar rectangular screen if the length is 5 meters more than 5 times its width, and the viewable area is 4,650 square meters. length = ? m width = ? m

8) The perimeter of a rectangular pool is 182 feet. The length of the pool is 5 feet less than twice the width. Find the length and the width. State your variable and set up your equation. Make sure to state the units. Length and width

Please help

A set designer has 1000 feet of border and a very big canvas. She can enclose a rectangular canvas area with dimensions x ft and 500 – x ft. What is the largest canvas she can create?

A picture frame surrounds a picture that is 8 inches by 10 inches. The frame is the same width all the way around. If the total area of the entire framed picture is 143 in2, find the width of the frame. Hint: Draw a picture to help you write an equation.